A: The disease should be caused by flower rot, mainly to damage flowers and young fruits, causing flowering, fruit drop or fruit, and deformity. Control methods: The quick-acting nitrogen fertilizer is mainly combined with the quick-acting phosphorus-potassium fertilizer and the trace element fertilizer in spring fertilization; the quick-acting phosphorus-potassium fertilizer is the most suitable in the summer with the quick-acting nitrogen fertilizer and trace element fertilizer. In the germination stage of kiwi buds, spray with 3 to 5 waves of sulphur sulphur mixture in the whole garden; use 65% of mancozeb 500 times solution or 50% of sterilized 800 times solution or 0.3 pulsate of stone in the leaf-expanding stage. The sulphur mixture is sprayed on the whole tree and sprayed once every 10 to 15 days, especially in the early stage of kiwi flowering.
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